Hi,
I'm having some troubles with generics, trying to get the "Type" of my
Parameterized class???
Let's begin with a working example...
class TestClass<T> {
Type type;
public TestClass() {
type = getSuperclassTypeParameter(getClass());
}
static Type getSuperclassTypeParameter(Class<?> subclass) {
Type superclass = subclass.getGenericSuperclass();
if (superclass instanceof Class) {
throw new RuntimeException("Missing type parameter.");
}
ParameterizedType parameterized = (ParameterizedType) superclass;
return parameterized.getActualTypeArguments()[0];
}
}
Whit this code, I can get at runtime, the Type of T (like TestClass<String>
will return a String type).
My problem is when I have a generic class extending another generic class.
class AsyncRequest<T> extends AsynTask<String, Void, AsyncResponse<T>> {
Type type;
public AsyncRequest() {
type = getSuperclassTypeParameter(getClass());
}
static Type getSuperclassTypeParameter(Class<?> subclass);
}
In this case, with getSuperclassTypeParameter() I get the parameterized
types of AsyncTask, and not of my own Class AsyncRequest...
(parameterized.getActualTypeArguments()[0] is a String type).
Anyone has some ideia of how I can get the Type of T of my own Class???
Thanks in advance...
Lúcio Maciel
luci...@gmail.com
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